#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<assert.h>
char* my_strncat(char* des, const char* str, size_t num)
{
	assert(des && str);
	char* s1 = des;
	while (*des)
	{
		des++;
	}
	*des++= ' ';
	while (num--)
	{
		*des = *str;
		des++;
		str++;
	}
	
	return *s1;
}
int main()
{
	char arr[200] = { "i like you" };
	char arr1[] = { "and she don't like me" };
	int a = 0;
	scanf("%d", &a);
	my_strncat(arr, arr1, a);
	printf("%s", arr);
	return 0;
}